Wesley Clark is a veteran of the Connecticut State Police Department with over 22 years of law enforcement experience, retiring in 2009 with the rank of Sergeant. Mr. Clark served fourteen years within the Connecticut State Police Major Crime Squad as both a Detective and Supervisor investigating homicides, capital felony cases, robberies, kidnappings, organized crime, crimes against children, sexual assaults, police shootings and politically sensitive investigations. Much of this included the interviewing of witnesses, victims and suspects in such cases as well as supervising the interview process and training and coaching investigators regarding interview and interrogation and statement analysis.

Mr. Clark also served two years as an Investigative Sergeant within the Connecticut State Police Internal Affairs Division and conducted investigations into police misconduct ranging from improper demeanor and complaints about motor vehicle stops to issues surrounding hostile work environments, civil rights violations, allegations of criminal activity, as well as administrative investigations of police involved shootings. During this time Mr. Clark was responsible for interviewing victims, witnesses and complainants along with interviewing and interrogating state and local police officers, and working with contractual and labor union issues.

Mr. Clark is a certified police instructor within the field of interview and interrogation through the Connecticut Police Officers Standards Training Council and has trained law enforcement officers on the local, state and federal level throughout the United States. He has also presented training and seminars on interviewing strategies locally and internationally for various organizations and at conferences, including the New England State Police Administrators Conference, the International Association of Forensic Linguistics, the American College of Forensic Examiners, Association of Threat Assessment Professionals, International Congress on Law and Mental Health in Italy and the International Conference on Investigative Interviewing in Canada and in England.

Throughout his career Mr. Clark has had advanced training in relevant areas including Interview and Interrogation Techniques, Advanced Interview and Interrogation, Analytic Interviewing, Cognitive Interviewing, Forensic Interviewing of Children, Interview and Interrogation for White Collar Crimes, Interview and Interrogation for Narcotics Investigations, International Conference on Investigative Interviewing, Statement Analysis, Scientific Content Analysis, Advanced Scientific Content Analysis, Eyewitness Evidence Training, Advanced Investigators School, Hostage Negotiation and Forensic Linguistics for Law Enforcement through the FBI Behavioral Science Unit.

Mr. Clark frequently assists law enforcement and the private sector with his expertise in Investigative Statement Analysis, and he is actively engaged in academic research relating to improving interviewing techniques, cognitive interviewing and detecting deception during interviews. He is the founder and President of LIES, LLC Linguistic Interrogation Expert Services which specializes in training, consultation and research within the field of investigative interviewing, criminal interrogation, investigative statement analysis, detecting deception, credibility assessment and related areas.